<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div>
    <h1>{{info}}</h1>
</div>
<!--引入vue.js框架文件-->
<script src="https://cdn.staticfile.org/vue/2.2.2/vue.min.js"></script>
<script>
    //创建对象
    let v =new Vue({//设置Vue框架的管理范围
        el:"body>div",
        data:{
            info:"Hello Vue"
        }
    })
    setTimeout(function (){
        v.info = "值改变了！";
    },3000)
</script>

</body>
</html>